Dual-Display Mobile Device Docking Interface Adaptation
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Solution Overview
Problem
Handheld computing devices with single touch screen displays face challenges in balancing display graphics and input areas, leading to visual clutter and user frustration due to the dual use of screens for content delivery and input reception, which complicates complex interactions and reduces productivity.
Innovation Solution
A dual multi-display handheld computing device with two touch-sensitive screens that can be oriented and configured in various positions to provide enhanced functionality, including the ability to interface with different docking stations and change pinouts for specific docks, offering modes like call receipt and entertainment modes for expanded functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single touch screen display is used for both content delivery and input reception, then device configurability and user interface options increase, but visual clutter increases and user productivity decreases
Solution Approach 1:
The device is divided into two separate displays: a primary display for content delivery and a secondary display for user interface interactions. This segmentation allows each display to have a dedicated function, eliminating visual clutter on the primary display while maintaining full configurability through the secondary display.
Solution Approach 2:
The user interface is moved from the traditional single-plane touch screen to a second display plane. This dimensional separation allows complex interactions to occur on the secondary display without interfering with the primary content display, effectively adding a new dimension to the user interface architecture.
2Area of stationary object
If the display area is increased to provide more content space, then display capability improves, but the area available for receiving inputs decreases
Solution Approach 1:
The total display and input functionality is segmented across two separate displays. The primary display maximizes content space while the secondary display provides dedicated input reception area, allowing both display capability and input capability to be maximized simultaneously rather than traded off against each other.
3Ease of operation
If a virtual keypad is superimposed on the display, then input capability is maintained, but the application area is squeezed into a smaller portion of the display
Solution Approach 1:
The virtual keypad and other user interface elements are extracted from the primary display and relocated to the secondary display. This extraction allows the primary display to be fully utilized for application content without any overlay elements reducing the usable display area.
4Adaptability or versatility
If the device interfaces with multiple types of docking stations, then versatility and expanded functionality are achieved, but device complexity increases
Solution Approach 1:
The device employs a universal docking interface that can interface with multiple types of docking stations through a single connector design. This multi-functional interface reduces the need for multiple specialized connectors and complex switching mechanisms, thereby reducing overall device complexity while maintaining broad docking compatibility.
Data Source
AI summary
A multi-display device can interface with two or more different types of docking stations. The device can determine the type of dock and change the pin outs for a connector to interface with that dock. Once docked, the device can determine a charge status for the device and the dock to present the status to the user. Further, the dock can enter one of several modes, including a call receipt mode and an entertainment mode. The modes allow for expanded functionality for the device while docked. Two particular docks, the laptop dock and the smart dock, provide special functionality with the device.